/**
 * Created with IntelliJ IDEA.
 * Description: 牛客网.简单题.二维数组求和
 */

class Main {
    public static void main(String[] args) {
        int[][]  arr = {{11,33,55},{22,44,66,88},{131,214,315,146},{928,827,726,625},{424,525}};
        int sum=add(arr);
        System.out.println(sum);
    }

    //方法二
    public static int add(int[][] arr) {
        int sum=0;

        //write your code here......
        //方法1
        for (int[] i: arr) {
            for (int x: i) {
                sum += x;
            }
        }

        return sum;
    }

    //方法一
    public static int add1(int[][] arr) {
        int sum=0;

        //write your code here......
        for(int i = 0; i < arr.length; i++) {
            for(int j = 0; j < arr[i].length; j++) {
                sum += arr[i][j];
            }
        }

        return sum;
    }
}

public class Test {
}
